Victor Garber and Sonya Walger have joined the cast of Power, Starz's new drama series from executive producer Curtis "50 Cent" Jackson, TVGuide.com has learned.Created by The Good Wife's Courtney Kemp Agboh, Power chronicles the life of James "Ghost" St. ...

Created by The Good Wife'sCourtney Kemp Agboh, Power chronicles the life of James "Ghost" St. Patrick (Omari Hardwick), a New York City nightclub owner who also runs a prosperous drug network. Unfortunately, when he tries to leave his criminal ways behind him, his marriage, family and business all come under threat.